Home / 7,946.76-11,921.24-2,683.28

Finding the Fourth Proportional to 7,946.76, 11,921.24 and 2,683.28

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Solution

The fourth proportional to 7,946.76, 11,921.24 and 2,683.28 is: 4,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.76 : 11,921.24 = 2,683.28 : x
  2. Step 2: Convert to fraction form
    7,946.76/11,921.24 = 2,683.28/x
  3. Step 3: Cross multiply
    7,946.76x = 11,921.24 × 2,683.28
  4. Step 4: Simplify right side
    7,946.76x = 31,987,951.84
  5. Step 5: Solve for x
    x = 31,987,951.84/7,946.76
  6. Step 6: Final answer
    x = 4,025.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.